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Finding the Fourth Proportional to 1,659.03, 2,289.35 and 950.87

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Solution

The fourth proportional to 1,659.03, 2,289.35 and 950.87 is: 1,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.03 : 2,289.35 = 950.87 : x
  2. Step 2: Convert to fraction form
    1,659.03/2,289.35 = 950.87/x
  3. Step 3: Cross multiply
    1,659.03x = 2,289.35 × 950.87
  4. Step 4: Simplify right side
    1,659.03x = 2,176,874.23
  5. Step 5: Solve for x
    x = 2,176,874.23/1,659.03
  6. Step 6: Final answer
    x = 1,312.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.